#iChannel0 "https://s2.loli.net/2023/09/10/QozT59R6KsYmb3q.jpg"

void mainImage(out vec4 fragColor, in vec2 fragCoord) {
    vec2 uv = fragCoord / iResolution.xy;

    vec2 size = vec2(50., 50.);
    
    uv = floor(uv * size) / size;

    vec3 text = texture(iChannel0, uv).xyz;
    fragColor = vec4(text, 1.0);
}